agency
agent
analyze
background
board
bureau
business
clue
crime
criminal
criminology
danger
darkness
data
department
detective
evening
evidence
fbi
federal
find
government
inspector
intelligence
interior
investigation
job
justice
kidnapping
killer
law
mafia
murder
national
night
office
police
profession
safety
search
secret
security
service
spy
studying
table
usa
vintage
work
workplace